Strength training apparatus



FIG. 1 is a perspective view illustrating our new design for a strength training apparatus;

FIG. 2 is a side view thereof, the opposite side being a mirror image;

FIG. 3 is a back view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for a strength training apparatus, as shown and described. 